Ok Frank. I wanna know about Silicon nitride surface, in order to simulate as good as I can the geometry of the AFM tip surface. It is a rigid solid surface with a canonical geometry.
Sorry guys! My study is focused on enzyme immobilization on AFM probes, as a result, I want to know the AFM tip thermodynamic properties to simulate as correct as possible the influence of this solid surface on enzymatic residues. Again, I'm sorry for did not explain in details my research problem.